Westlake Pipe & Fittings | 437422 | 4" x 3" SP x Slip Reducer Bushing

The Westlake Pipe & Fittings 437422 is a 4" x 3" reducer bushing with a spigot (SP) connection on one end and a slip connection on the other. It is designed to reduce pipe size while providing a secure transition between compatible PVC plumbing components.

Ideal for repairs, system modifications, or new installations, this reducer bushing is commonly used in pool, spa, irrigation, and general plumbing applications.

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Key Features

• 4" x 3" SP x slip reducer bushing

• Spigot connection on one end

• Slip connection on the opposite end

• Reduces pipe size between compatible fittings

• Durable PVC construction

• Ideal for replacement or new installations

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Product Overview

The Westlake Pipe & Fittings 437422 reducer bushing is designed to transition from a 4-inch connection to a 3-inch connection in compatible PVC plumbing systems. Its spigot end fits into compatible fittings, while the slip socket accepts 3-inch PVC pipe.

This fitting is commonly installed during plumbing system construction, repairs, or equipment upgrades where a pipe size reduction is needed. Proper sizing and connection type help ensure compatibility with the existing plumbing system.